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Enhanced surveillance and investigation of coronavirus: what is required?

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Abstract

Following the discovery in September 2012 of 2 patients, both with links to the Eastern Mediterranean Region, with serious respiratory illness due to novel coronavirus, all countries have instigated surveillance and laboratory activities to detect further cases, with intensive case contact investigations undertaken on laboratory confirmation of cases. A total of 30 cases, of whom 18 have died, and at least 3 clusters have been detected to date [‎1 cluster among health-care workers and another 2 clusters among family members]‎. To date, transmission studies have shown a low risk of onward human transmission, with clinical presentation remaining severe for the majority. Many questions remain including the zoonotic source and geographical extent of infection. Surveillance has been extended to include clusters of cases or health-care workers with severe, undiagnosed respiratory illness regardless of travel history. Environmental studies, on-going surveillance and linked case-contact investigations will provide a critical role in answering some of these issues

A literature review of publically available information was undertaken to summarize current understanding and gaps in knowledge about Middle East respiratory syndrome coronavirus [‎MERS-CoV]‎, including its origin, transmission, effective control measures and management. Major databases were searched and relevant published papers and reports during 2012-2015 were reviewed. Of the 2520 publications initially retrieved, 164 were deemed relevant. The collected results suggest that much remains to be discovered about MERS-CoV. Improved surveillance, ...

Between 19 April and 23 June 2015, 52 laboratory-confirmed cases of Middle East Respiratory Syndrome due to coronavirus [‎MERS]‎ were reported from Al-Ahssa region, eastern Saudi Arabia. The first seven cases occurred in one family; these were followed by 45 cases in three public hospitals. The objectives of this investigation were to describe the epidemiological characteristic of the cluster and identify potential risk factors and control measures to be instituted to prevent further occurrence of MERS. We obtained the medical records of all confirmed ...